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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, Nov 10, 2025 at 11:22:26AM -0800, syzbot ci wrote: > syzbot ci has tested the following series > > [v1] make vmalloc gfp flags usage more apparent > https://lore.kernel.org/all/20251110160457.61791-1-vishal.moola@gmail.com > * [PATCH 1/4] mm/vmalloc: warn on invalid vmalloc gfp flags > * [PATCH 2/4] mm/vmalloc: Add a helper to optimize vmalloc allocation gfps > * [PATCH 3/4] mm/vmalloc: cleanup large_gfp in vm_area_alloc_pages() > * [PATCH 4/4] mm/vmalloc: cleanup gfp flag use in new_vmap_block() > > and found the following issue: > WARNING: kmalloc bug in bpf_prog_alloc_no_stats > > Full report is available here: > https://ci.syzbot.org/series/488ab7c0-de91-4749-bbb2-ca76c3fb798b > > *** > > WARNING: kmalloc bug in bpf_prog_alloc_no_stats > > tree: mm-new > URL: https://kernel.googlesource.com/pub/scm/linux/kernel/git/akpm/mm.git > base: 02dafa01ec9a00c3758c1c6478d82fe601f5f1ba > arch: amd64 > compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 > config: https://ci.syzbot.org/builds/2334ae39-552d-4ca2-8562-7adc18ce2cb0/config > > can: broadcast manager protocol > can: netlink gateway - max_hops=1 > can: SAE J1939 > can: isotp protocol (max_pdu_size 8300) > Bluetooth: RFCOMM TTY layer initialized > Bluetooth: RFCOMM socket layer initialized > Bluetooth: RFCOMM ver 1.11 > Bluetooth: BNEP (Ethernet Emulation) ver 1.3 > Bluetooth: BNEP filters: protocol multicast > Bluetooth: BNEP socket layer initialized > Bluetooth: HIDP (Human Interface Emulation) ver 1.2 > Bluetooth: HIDP socket layer initialized > NET: Registered PF_RXRPC protocol family > Key type rxrpc registered > Key type rxrpc_s registered > NET: Registered PF_KCM protocol family > lec:lane_module_init: lec.c: initialized > mpoa:atm_mpoa_init: mpc.c: initialized > l2tp_core: L2TP core driver, V2.0 > l2tp_ppp: PPPoL2TP kernel driver, V2.0 > l2tp_ip: L2TP IP encapsulation support (L2TPv3) > l2tp_netlink: L2TP netlink interface > l2tp_eth: L2TP ethernet pseudowire support (L2TPv3) > l2tp_ip6: L2TP IP encapsulation support for IPv6 (L2TPv3) > NET: Registered PF_PHONET protocol family > 8021q: 802.1Q VLAN Support v1.8 > sctp: Hash tables configured (bind 32/56) > NET: Registered PF_RDS protocol family > Registered RDS/infiniband transport > Registered RDS/tcp transport > tipc: Activated (version 2.0.0) > NET: Registered PF_TIPC protocol family > tipc: Started in single node mode > smc: adding smcd device lo without pnetid > NET: Registered PF_SMC protocol family > 9pnet: Installing 9P2000 support > NET: Registered PF_CAIF protocol family > NET: Registered PF_IEEE802154 protocol family > Key type dns_resolver registered > Key type ceph registered > libceph: loaded (mon/osd proto 15/24) > batman_adv: B.A.T.M.A.N. advanced 2025.4 (compatibility version 15) loaded > openvswitch: Open vSwitch switching datapath > NET: Registered PF_VSOCK protocol family > mpls_gso: MPLS GSO support > IPI shorthand broadcast: enabled > sched_clock: Marking stable (21550045890, 115271513)->(21677757748, -12440345) > registered taskstats version 1 > ------------[ cut here ]------------ > Unexpected gfp: 0x100000 (__GFP_HARDWALL). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! > It looks like we need to add __GFP_HARDWALL to the white-list-mask. -- Uladzislau Rezki